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Swipe to Delete and the “More” button (like in Mail app on iOS 7)

...sForRowAtIndexPath: - tableView:commitEditingStyle:forRowAtIndexPath: Known Issues The documentation says tableView:commitEditingStyle:forRowAtIndexPath is: "Not called for edit actions using UITableViewRowAction - the action's handler will be invoked instead." However, the swiping doesn'...
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How to find day of week in php in a specific timezone

... Europe/Stockholm to the users time-zone. $dateTime = new \DateTime( 'now', new \DateTimeZone('Europe/Stockholm') ); $day = $dateTime->format('N'); ISO-8601 numeric representation of the day of the week (added in PHP 5.1.0) 1 (for Monday) through 7 (for Sunday) http://php.net/ma...
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What is the use of the ArraySegment class?

...ent<T> has become a lot more useful in .NET 4.5+ and .NET Core as it now implements: IList<T> ICollection<T> IEnumerable<T> IEnumerable IReadOnlyList<T> IReadOnlyCollection<T> as opposed to the .NET 4 version which implemented no interfaces whatsoever. The cl...
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Why does the order of the loops affect performance when iterating over a 2D array?

... x[1][0] etc... Meaning that you're hitting them all in order. Now look at the 1st version. You're doing: x[0][0] x[1][0] x[2][0] x[0][1] x[1][...
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What is a regular expression which will match a valid domain name without a subdomain?

...ne seems to be working. What kind of domains won't pass validation do you know? – Dominic Apr 24 '12 at 22:13 12 ...
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Creating an array of objects in Java

....creates 4 A references, similar to doing this: A a1; A a2; A a3; A a4; Now you couldn't do a1.someMethod() without allocating a1 like this: a1 = new A(); Similarly, with the array you need to do this: a[0] = new A(); ...before using it. ...
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What exactly is OAuth (Open Authorization)?

... effective at tiresome and error prone tasks. Since joining the network is now so easy, there is no way you would refuse such an offer, now would you? Without an API for exchanging this list of contacts, you would have to give LinkedIn the username and password to your GMail account, thereby giving...
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What is WCF RIA services?

...lled CustomerContext that has a method GetCustomersByCountryQuery. You can now use this method on the client as if you were calling it on the server. Updates, inserts and deletes follow a different pattern. When you create a domain service, you can indicate whether you want to enable editing. The c...
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Definition of “downstream” and “upstream”

...ushing to upstream ("otherRepo" is still "upstream", where the information now goes back to). Note the "from" and "for": you are not just "downstream", you are "downstream from/for", hence the relative aspect. The DVCS (Distributed Version Control System) twist is: you have no idea what downstr...
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Does C# have extension properties?

...ent it is still not supported out of the box by Roslyn compiler ... Until now, the extension properties were not seen as valuable enough to be included in the previous versions of C# standard. C# 7 and C# 8.0 have seen this as proposal champion but it wasn't released yet, most of all because even i...